package Circle;
public class Cylinder {
	double r=8;
	double h=8;
	public double hight() {
		return h; 
	}
	public double banjing() {
		return r; 
	}
	public double display(){
		double v=2*3.14*r+2*3.14*r*r;
		return v;
	}
    public double volum() {
    	return 3.14*r*r*h;
    }
}